Low Work Function Material
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United States of America Patent
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Issued Date -
Aug 28, 2008
app pub date -
Feb 8, 2008
filing date -
Dec 8, 2000
priority date (Note) -
Abandoned
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Abstract
The present invention is directed toward methods for incorporating low work function metals and salts of such metals into carbon nanotubes for use as field emitting materials. The present invention is also directed toward field emission devices, and associated components, comprising treated carbon nanotubes that have, incorporated into them, low work function metals and/or metal salts, and methods for making same. The treatments of the carbon nanotubes with the low work function metals and/or metal salts serve to improve their field emission properties relative to untreated carbon nanotubes when employed as a cathode material in field emission devices.
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